Add known issue
Add known issue

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1382306 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: ae30a5fa5128e7d7782d557eeffe915ea1e2984f
apache/jmeter,ham1/jmeter,benbenw/jmeter,etnetera/jmeter,benbenw/jmeter,apache/jmeter,apache/jmeter,benbenw/jmeter,etnetera/jmeter,etnetera/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,benbenw/jmeter,ham1/jmeter